<template>
    <div class="app-container">
        <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch">
            <el-form-item label="分类名称" prop="category_name">
                <el-input
                    v-model="queryParams.category_name"
                    placeholder="请输入分类名称"
                    clearable
                    @keyup.enter.native="handleQuery"
                />
            </el-form-item>
            <el-form-item label="状态" prop="status">
                <el-select v-model="queryParams.status" placeholder="状态" clearable>
                    <el-option
                        v-for="dict in dict.type.sys_normal_disable"
                        :key="dict.value"
                        :label="dict.label"
                        :value="dict.value"
                    />
                </el-select>
            </el-form-item>
            <el-form-item>
                <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
                <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
            </el-form-item>
        </el-form>

        <el-row :gutter="10" class="mb8">
            <el-col :span="1.5">
                <el-button
                    type="primary"
                    plain
                    icon="el-icon-plus"
                    size="mini"
                    @click="handleAdd"
                >新增</el-button>
            </el-col>
            <el-col :span="1.5">
                <el-button
                    type="info"
                    plain
                    icon="el-icon-sort"
                    size="mini"
                    @click="toggleExpandAll"
                >展开/折叠</el-button>
            </el-col>
            <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
        </el-row>

        <el-table
            v-if="refreshTable"
            v-loading="loading"
            :data="categoryList"
            row-key="category_id"
            :default-expand-all="isExpandAll"
            :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
        >
            <el-table-column label="" align="center" prop=""  width="50"/>
            <el-table-column label="编号" align="center" prop="category_id"  width="50"/>
            <el-table-column prop="category_name" label="检查分类名称" ></el-table-column>
            <el-table-column prop="sort_order" label="排序" ></el-table-column>
            <el-table-column prop="status" label="状态" width="100">
                <template slot-scope="{row}">
                    <dict-tag :options="dict.type.sys_normal_disable" :value="row.status"/>
                </template>
            </el-table-column>
            <el-table-column label="创建时间" align="center" prop="create_time" />

            <el-table-column label="操作"   class-name="small-padding fixed-width">
                <template slot-scope="{row}">
                    <el-button
                        size="mini"
                        type="text"
                        icon="el-icon-edit"
                        @click="handleUpdate(row)"
                    >修改</el-button>
                    <el-button
                        size="mini"
                        type="text"
                        icon="el-icon-plus"
                        @click="handleAdd(row)"
                    >新增</el-button>
                    <el-button
                        v-if="row.parent_id != 0"
                        size="mini"
                        type="text"
                        icon="el-icon-delete"
                        @click="handleDelete(row)"
                    >删除</el-button>
                </template>
            </el-table-column>
        </el-table>
        <!-- 添加或修改分类对话框 -->
        <el-dialog :title="title" :visible.sync="open" width="600px" append-to-body>
            <el-form ref="form" :model="form" :rules="rules" label-width="80px">
                <el-form-item label="上级分类" prop="parent_id"  v-if="form.parent_id !== 0">
                    <treeselect v-model="form.parent_id" :options="categoryOptions" :normalizer="normalizer" placeholder="选择上级分类" />
                </el-form-item>
                <el-form-item label="分类名称" prop="category_name">
                    <el-input v-model="form.category_name" placeholder="请输入分类名称" />
                </el-form-item>
                <el-form-item label="显示排序" prop="sort_order">
                    <el-input-number v-model="form.sort_order" controls-position="right" :min="0" />
                </el-form-item>
                <el-form-item label="状态" prop="status">
                    <el-radio-group v-model="form.status">
                        <el-radio
                            v-for="dict in dict.type.sys_normal_disable"
                            :key="dict.value"
                            :label="dict.value"
                        >{{dict.label}}</el-radio>
                    </el-radio-group>
                </el-form-item>
            </el-form>
            <div slot="footer" class="dialog-footer">
                <el-button type="primary" @click="submitForm">确 定</el-button>
                <el-button @click="cancel">取 消</el-button>
            </div>
        </el-dialog>
    </div>
</template>

<script>
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import {getCheckCategoryList,createCheckCategory,updateCheckCategory,getCheckCategoryDetail,delCheckCategory} from "@/api/property/check/category";

export default {
    name: "Dept",
    dicts: ['sys_normal_disable'],
    components: { Treeselect },
    data() {
        return {
            // 遮罩层
            loading: true,
            // 显示搜索条件
            showSearch: true,
            // 表格树数据
            categoryList: [],
            // 分类树选项
            categoryOptions: [],
            // 弹出层标题
            title: "",
            // 是否显示弹出层
            open: false,
            // 是否展开，默认全部展开
            isExpandAll: true,
            // 重新渲染表格状态
            refreshTable: true,
            // 查询参数
            queryParams: {
                category_name: undefined,
                status: undefined
            },
            // 表单参数
            form: {},
            // 表单校验
            rules: {
                parent_id: [
                    { required: true, message: "上级分类不能为空", trigger: "blur" }
                ],
                category_name: [
                    { required: true, message: "分类名称不能为空", trigger: "blur" }
                ],
                sort_order: [
                    { required: true, message: "显示排序不能为空", trigger: "blur" }
                ],
            }
        };
    },
    created() {
        this.getList();
    },
    methods: {
        /** 列表 */
        getList() {
            this.loading = true;
            getCheckCategoryList(this.queryParams).then(response => {
                this.categoryList = this.handleTree(response.data, "category_id");
                this.loading = false;
            });
        },
        /** 转换分类数据结构 */
        normalizer(node) {
            if (node.children && !node.children.length) {
                delete node.children;
            }
            return {
                id: node.category_id,
                label: node.category_name,
                children: node.children
            };
        },
        // 取消按钮
        cancel() {
            this.open = false;
            this.reset();
        },
        // 表单重置
        reset() {
            this.form = {
                category_id: undefined,
                parent_id: undefined,
                category_name: undefined,
                sort_order: undefined,
                leader: undefined,
                phone: undefined,
                email: undefined,
                status: "0"
            };
            this.resetForm("form");
        },
        /** 搜索按钮操作 */
        handleQuery() {
            this.getList();
        },
        /** 重置按钮操作 */
        resetQuery() {
            this.resetForm("queryForm");
            this.handleQuery();
        },
        /** 新增按钮操作 */
        handleAdd(row) {
            this.reset();
            if (row != undefined) {
                this.form.parent_id = row.category_id;
            }
            this.open = true;
            this.title = "添加分类";
            getCheckCategoryList().then(response => {
                this.categoryOptions = this.handleTree(response.data, "category_id");
            });
        },
        /** 展开/折叠操作 */
        toggleExpandAll() {
            this.refreshTable = false;
            this.isExpandAll = !this.isExpandAll;
            this.$nextTick(() => {
                this.refreshTable = true;
            });
        },
        /** 修改按钮操作 */
        handleUpdate(row) {
            this.reset();
            getCheckCategoryDetail({category_id:row.category_id}).then(response => {
                this.form = response.data;
                this.form.status = response.data.status.toString();
                this.open = true;
                this.title = "修改分类";
                getCheckCategoryList({parent_id:row.category_id}).then(response => {
                    this.categoryOptions = this.handleTree(response.data, "category_id");
                    if (this.categoryOptions.length == 0) {
                        const noResultsOptions = { category_id: this.form.parent_id, category_name: this.form.category_name, children: [] };
                        this.categoryOptions.push(noResultsOptions);
                    }
                });
            });
        },
        /** 提交按钮 */
        submitForm: function() {
            this.$refs["form"].validate(valid => {
                if (valid) {
                    if (this.form.category_id != undefined) {
                        updateCheckCategory(this.form).then(response => {
                            this.msgSuccess("修改成功");
                            this.open = false;
                            this.getList();
                        });
                    } else {
                        createCheckCategory(this.form).then(response => {
                            this.msgSuccess("新增成功");
                            this.open = false;
                            this.getList();
                        });
                    }
                }
            });
        },
        /** 删除按钮操作 */
        handleDelete(row) {
            this.$modal.confirm('是否确认删除名称为"' + row.category_name + '"的数据项？').then(function() {
                return delDept(row.category_id);
            }).then(() => {
                this.getList();
                this.msgSuccess("删除成功");
            }).catch(() => {});
        }
    }
};
</script>
